Louise Aronson, M.D.
NPI 1780786772ActiveIndividual· Internal Medicine, Geriatric Medicine· San Francisco, CA
Internal Medicine, Geriatric Medicine (M.D.) in San Francisco, California, licensed in CA, with an NPI issued in September 2006. Mostly services rather than prescriptions: Medicare paid $7,384 for 40 patients in 2024, with only 12 Part D claims.
Overview
| NPI | 1780786772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 1, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | G78498 | CA |
| Internal Medicine | 207R00000X | G78498 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Geriatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 84 across 11 procedure codes |
| Paid by Medicare | $7,384 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 24 30-day fills |
|---|---|
| Total drug cost | $493.38 |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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